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why field winding in synchronous machine connecting in star
position?
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Define de-sensitivity?
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
How the annunciator works ? How to do its wiring
If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?
explain all the classes with example
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The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
please tell me how a surge protector work on a DC 48Volt.? please describe briefly.
how to increase or decrease speed in DC shunt motor by DC convertor
why different series of vfds (like allenbradley)are used in industry ?
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